1505139 has 8 divisors (see below), whose sum is σ = 2026752. Its totient is φ = 993480.

The previous prime is 1505137. The next prime is 1505167. The reversal of 1505139 is 9315051.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1505139 - 2¹ = 1505137 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1505131) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2127 + ... + 2744.

It is an arithmetic number, because the mean of its divisors is an integer number (253344).

2^1505139 is an apocalyptic number.

1505139 is a deficient number, since it is larger than the sum of its proper divisors (521613).

1505139 is a wasteful number, since it uses less digits than its factorization.

1505139 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4977.

The product of its (nonzero) digits is 675, while the sum is 24.

The square root of 1505139 is about 1226.8410655012. The cubic root of 1505139 is about 114.6020016158.

The spelling of 1505139 in words is "one million, five hundred five thousand, one hundred thirty-nine".